Data Science

Data science is an inter-disciplinary field that uses scientific methods, processes, algorithms, and systems to extract knowledge from structured and unstructured data. Data scientists perform data analysis and preparation, and their findings inform high-level decisions in many organizations.

GitHub: https://github.com/topics/data-science
Wikipedia: https://en.wikipedia.org/wiki/Data_science
Related Topics: data-analysis, data-mining, machine-learning, big-data, data-visualization,
Aliases: datasciences, data-science-project, data-science-algorithm,
Last updated: 2026-07-07 00:08:20 UTC
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https://github.com/takuti/anompy

A Python library for anomaly detection

anomaly-detection data-science forecasting machine-learning python

Last synced: 15 Apr 2025

https://github.com/lungben/tableio.jl

A glue package for reading and writing tabular data. It aims to provide a uniform api for reading and writing tabular data from and to multiple sources.

arrow csv data data-science database dataframe dataframes excel jdf json-format parquet postgresql sqlite zip

Last synced: 12 Oct 2025

https://github.com/ashishbamania/tutorials-on-artificial-intelligence

A collection of AI tutorials from Dr. Ashish Bamania

agentic-ai ai ai-agents artificial-intelligence crewai data-science langchain llama machine-learning ml rag retreival-augmented-generation software-engineering

Last synced: 13 May 2025

https://github.com/ma7555/kerasgen

A Keras/Tensorflow compatible image data generator for TripletLoss

data-generation data-generator data-generators data-science keras keras-tensorflow tensorflow triplet triplet-loss triplet-neural-network

Last synced: 11 Mar 2025

https://github.com/devopscorner/nifi

Production Grade Nifi & Nifi Registry. Deploy for VM (Virtual Machine) with Terraform + Ansible, Helm & Helmfile for Kubernetes (EKS)

ansible data-science data-structures docker docker-compose dockerhub ecr eks eks-cluster etl kubernetes machine-learning ml mlops nifi nifi-registry terraform vpn vpn-client

Last synced: 08 Sep 2025

https://github.com/anshchoudhary/xgmodel

This repository contains code to predict the Expected Goals (xG) from shots in football using various machine learning models.

data-science football-analytics football-data machine-learning machine-learning-algorithms

Last synced: 10 Apr 2025

https://github.com/trafficgcn/osmnx_adjacency_matrix_for_graph_convolutional_networks

Creating an Adjacency Matrix Using the Dijkstra Algorithm for Graph Convolutional Networks GCNs

adjacency-matrix data-science dijkstra dijkstra-algorithm gcn graph graph-algorithms graph-convolutional-networks matrix metrla open-street-map optimal-route osm osmnx python traffic traffic-analysis traffic-congestion

Last synced: 27 Oct 2025

https://github.com/shwetajoshi601/world-bank-data-analysis

An Exploratory Data Analysis on the World Bank Dataset.

analysis data-science eda python3 world-bank-api worldbank

Last synced: 02 Aug 2025

https://github.com/chongyasong/youml

YouML: A Machine Learning Toolkit

ai artificial-intelligence big-data data-mining data-science machine-learning matplotlib numpy pandas python scikit-learn scipy

Last synced: 11 Apr 2025

https://github.com/qpwedev/blockchain-network-visualizer

Blockchain Network Visualizer for TON.

blockchain data-science network ton toncoin

Last synced: 14 Mar 2025

https://github.com/emptymalei/audiorepr

A python package to represent data using musical notes.

audiolization data data-audiolization data-science

Last synced: 12 Oct 2025

https://github.com/tomaztk/list_of_r_packages_for_data_scientist

List of useful R packages for data scientists

data-science r r-language r-markdown r-package r-programming statistics

Last synced: 16 May 2025

https://github.com/bodo-ai/pydough

Analytics DSL for Python

analytics artificial-intelligence big-data data-science defog defog-ai machine-learning pandas python sql text-to-analytics text-to-sql tpch

Last synced: 22 May 2026

https://github.com/opengeos/qgis-leafmap-plugin

A QGIS plugin for leafmap

data-science geospatial leafmap python qgis qgis-plugin

Last synced: 30 Jan 2026

https://github.com/hoangsonww/standard-deviation-calculator

📊 This repository contains a Standard Deviation Calculator implemented in C++. It provides an efficient algorithm for calculating the statistical standard deviation of a dataset, making it a valuable tool for students, researchers, and analysts seeking a reliable method for data analysis.

algorithms cplusplus cpp data data-analysis data-analytics data-science standard-deviation standard-deviation-calculator standard-deviations

Last synced: 22 Sep 2025

https://github.com/amirhosseinhonardoust/underwriting-decision-safety-lab

A decision-safety lab for loan approval: trains a baseline classifier, calibrates probabilities (ECE/Brier), sweeps confidence thresholds to build a coverage, quality frontier and outputs a defensible abstention policy (auto-decide vs review). Includes a Streamlit dashboard for report cards, triage UI, and data quality checks.

abstention calibration classification credit-risk data-quality data-science decision-policy loan-approval machine-learning mlops model-evaluation monitoring pandas reliability responsible-ai scikit-learn selective-classification streamlit uncertainty underwriting

Last synced: 10 Jun 2026

https://github.com/correia-jpv/fucking-awesome-datascience

📝 An awesome Data Science repository to learn and apply for real world problems. With repository stars⭐ and forks🍴

analytics awesome awesome-list data-mining data-science data-scientists data-visualization deep-learning hacktoberfest machine-learning science

Last synced: 27 Apr 2025

https://github.com/elliotwutingfeng/twitter200m

Simple analysis of the Twitter 200M Data Dump of January 2023.

200m data-science haveibeenpwned leak osint twitter

Last synced: 16 Mar 2026

https://github.com/syamkakarla98/beginners_guide_to_pyspark

data-science machine-learning machine-learning-algorithms pyspark pyspark-tutorial python python3

Last synced: 04 Jul 2025

https://github.com/mindful-ai-assistants/hackapucsp-2024

🏆 HackaPUCSP 2024 - - Data Science and AI Hackathon - Pontifical Catholic University of São Paulo

automation data-science design github-actions hackathon-project oneness-consciousness package-manager programming pucsp pytest python3 unittest

Last synced: 11 Jul 2025

https://github.com/subugoe/scholcomm_analytics

Scholarly Communication Analytics with R Blog

bibliometrics data-science distill library rstats scholarly-communication-analytics

Last synced: 24 Feb 2026

https://github.com/h2oai/article-information-2019

Article for Special Edition of Information: Machine Learning with Python

data-science explainable-ai explainable-ml fairness-ai fairness-ml fairness-testing fatml iml interpretable-ai interpretable-machine-learning interpretable-ml machine-learning machine-learning-interpretability python xai

Last synced: 07 Apr 2025

https://github.com/flbulgarelli/recursos-python

Spanish resources for learning Python

data-science education http imperative-programming object-oriented-programming python testing

Last synced: 30 Oct 2025

https://github.com/dmedri/roaster

R - Fetch, build and deploy.

build-tool data-science rstats statistical-analysis statistics virtual-environments

Last synced: 30 Jul 2025

https://github.com/doarakko/kagoole

Search kaggle competitions and solutions based on data and predict type, evaluation metric, etc.

artificial-intelligence data-science heroku kaggle kaggle-competition kaggle-solution machine-learning webapp

Last synced: 17 Oct 2025

https://github.com/oceannetworkscanada/api-python-client

Provides easy access to ONC data in Python

api data-science ocean-sciences onc python

Last synced: 20 Jul 2025

https://github.com/khadkarajesh/internship-preparation-kit

Repository consist the technical and behavioural questions asked by french tech companies for internship

algorithm algorithms coding-interviews codinggame data-science data-structures data-structures-and-algorithms french hacktoberfest hacktoberfest-accepted hacktoberfest2022 internship interview interview-practice interview-preparation interview-questions interview-test leetcode python software-engineering

Last synced: 15 Jul 2025

https://github.com/techshot25/healthcare

Insurance cost predictor

bayesian-regression data-analysis data-science linear-regression machine-learning polynomial-regression random-forest-regression

Last synced: 24 Apr 2025

https://github.com/canagnos/mcp

Tools for Measuring Classification Performance for R, Python and Spark

artificial-intelligence classification data-mining data-science machine-learning machine-learning-algorithms

Last synced: 28 Apr 2025

https://github.com/bdist/bdist-workspace

This repository provides containerized applications and microservices for the Information Systems and Databases Course @ Instituto Superior Técnico

data-engineering data-science docker jupyter jupyterlab notebook postgres postgresql python sql sqlite

Last synced: 09 Apr 2026

https://github.com/tristanbilot/airflow-rbac-roles-cli

A tool to create Airflow RBAC roles with dag-level permissions from cli.

airflow cloud-composer data-engineering data-science gcp permissions pipeline rbac-roles

Last synced: 25 Oct 2025

https://github.com/eliasdabbas/dash-aggrid-scales

Color scales (continuous and categorical) and bar charts for Dash-Ag-Grid

aggrid color-scales color-scheme data-science data-visualization html plotly-dash table

Last synced: 16 Mar 2026

https://github.com/devinterview-io/supervised-learning-interview-questions

🟣 Supervised Learning interview questions and answers to help you prepare for your next machine learning and data science interview in 2025.

ai-interview-questions coding-interview-questions coding-interviews data-science data-science-interview data-science-interview-questions data-scientist-interview interview-practice interview-preparation machine-learning machine-learning-and-data-science machine-learning-interview machine-learning-interview-questions software-engineer-interview supervised-learning supervised-learning-interview-questions supervised-learning-questions supervised-learning-tech-interview technical-interview-questions

Last synced: 09 Feb 2026

https://github.com/jimbrig/lossrx

An R package, plumber API, database, and Shiny App for Actuarial Loss Development and Reserving Workflows.

actuarial-science claims-data claims-reserving data-science insurance modelling property-casualty reserving rpackage rshiny rstats workflow

Last synced: 01 Jul 2025

https://github.com/anshumansinha3301/safetitude-project-finance

My works as an SDE @Safetitude

data-science data-structures dbms

Last synced: 13 Jul 2025

https://github.com/xuri/excelize-py

Excelize is a Python port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files.

calculation chart data-analysis data-science data-visualization ecma-376 excel excelize golang microsoft office ooxml pipy python spreadsheet visualization xlsm xlsx xlsxreader xlsxwriter

Last synced: 07 May 2025

https://github.com/devinterview-io/bias-and-variance-interview-questions

🟣 Bias And Variance interview questions and answers to help you prepare for your next machine learning and data science interview in 2025.

ai-interview-questions bias-and-variance bias-and-variance-interview-questions bias-and-variance-questions bias-and-variance-tech-interview coding-interview-questions coding-interviews data-science data-science-interview data-science-interview-questions data-scientist-interview interview-practice interview-preparation machine-learning machine-learning-and-data-science machine-learning-interview machine-learning-interview-questions software-engineer-interview technical-interview-questions

Last synced: 08 Feb 2026

https://github.com/martincastroalvarez/html2vec

Algorithm that converts an HTML to a vectorized object suitable for neural networks.

data-science html2vec natural-language-processing python web-scraping word2vec

Last synced: 11 Apr 2025

https://github.com/eyadsibai/machine-learning-docker-image

Data Science/Machine Learning Docker Image for CPU

data-science docker docker-image google-cloud machine-learning

Last synced: 30 Apr 2025

https://github.com/clojurecivitas/clojurecivitas.github.io

An open effort to structure learning resources with meaningful connections.

blog clay clojure data-science literate markdown notebooks

Last synced: 24 Jun 2025

https://github.com/giswqs/notebook-share

A repo for sharing notebooks

data-science dataviz geospatial jupyter-notebook mapping notebook

Last synced: 07 May 2025

https://github.com/sjcobb/ai-duet-3d

3D music animation + machine learning (in development)

3d-animation 3d-audio 3d-game artificial-intelligence browser-game data-science data-visualization game-development generative-music javascript machine-learning music music-bot music-composition music-theory music-visualizer neural-network web-development youtube-channel

Last synced: 28 Oct 2025

https://github.com/sjcobb/webxr-threejs-midi-visualizer

WebXR, augmented reality MIDI data visualization, built with Three.js and Tone.js. See video: https://youtu.be/lIecCGtbqSM

3d aframe cannonjs data-science data-visualization depth-estimation game-development hit-detection javascript midi music-theory physics three threejs tone tonejs webvr webxr

Last synced: 12 Jul 2025

https://github.com/alan-turing-institute/hds-discussiongroup

Repo of the Turing's Humanities & Data Science Discussion Group

data-science digital-humanities discussion-group

Last synced: 03 Mar 2026

https://github.com/zen-reportz/zen_dash

Simple, Fast, Scalable , production grade dashboard application . Right solution for team

dashboard data-analytics data-science fastapi flask python3 shiny streamlit

Last synced: 13 Apr 2025

https://github.com/chaganti-reddy/evmarket-india

Electric Vehicle Market Segmentation Analysis in India

data-analysis data-science machine-learning market-segmentation pandas python

Last synced: 12 Apr 2025

https://github.com/krypty/trefle

Trefle is a scikit-learn compatible estimator implementing the FuzzyCoCo algorithm that uses a cooperative coevolution algorithm to find and build interpretable fuzzy systems.

data-science deap evolutionary-algorithm fuzzy-logic interpretability machine-learning python scikit-learn

Last synced: 29 Oct 2025

https://github.com/faridrashidi/cnsplots

🎨 Toolkit for generating publication-quality plots for Cell, Nature and Science journals

data-science data-visualization plotting publication-quality python scientific-publications

Last synced: 06 Apr 2026

https://github.com/devinterview-io/reinforcement-learning-interview-questions

🟣 Reinforcement Learning interview questions and answers to help you prepare for your next machine learning and data science interview in 2024.

ai-interview-questions coding-interview-questions coding-interviews data-science data-science-interview data-science-interview-questions data-scientist-interview interview-practice interview-preparation machine-learning machine-learning-and-data-science machine-learning-interview machine-learning-interview-questions reinforcement-learning reinforcement-learning-interview-questions reinforcement-learning-questions reinforcement-learning-tech-interview software-engineer-interview technical-interview-questions

Last synced: 15 Jun 2025

https://github.com/openbridge/ob_pysh-db

pysh-db - The Data Science Toolkit (DSK)

bash data-science mysql postgres python redshift sql

Last synced: 10 Apr 2025

https://github.com/sdpython/mlstatpy

Mathematics, Algorithmic, Data-Science, Teaching Materials

algorithms data-science mathematics python3 teaching-materials

Last synced: 23 Jun 2025

https://github.com/fabsta/interesting_notebooks

A collection of Data Science Jupyter notebook (reference material)

data-science eda jupyter-notebook kaggle machine-learning python

Last synced: 03 Jul 2025

https://github.com/jhrcook/tidy-tuesday

#TidyTuesday to practice data analysis in R

data-analysis data-science r regression-models rlang tidytuesday tidytuesday-challenge tidyverse

Last synced: 28 Oct 2025

https://github.com/alugowski/matrepr

Format matrices and tensors to HTML, string, and LaTeX, with Jupyter integration.

data-science data-visualization data-viz graphblas jupyter numpy numpy-matrix pytorch scipy sparse sparse-data sparse-matrices sparse-matrix sparse-representations tensor tensorflow torch

Last synced: 12 Apr 2025

https://github.com/tomaztk/List_of_R_packages_for_Data_scientist

List of useful R packages for data scientists

data-science r r-language r-markdown r-package r-programming statistics

Last synced: 30 Jul 2025

https://github.com/menicgiulia/NetMedPy

data-science information-extraction network-medicine network-science null-models systems-biology systems-pharmacology

Last synced: 12 Aug 2025

https://github.com/mathewroy/ynabr

Analyze and visualize your You Need A Budget (YNAB) data. YNAB meets R programming language.

api data-analysis data-science data-visualization r ynab ynab-api

Last synced: 30 Jul 2025

https://github.com/jose-jaen/airbnb

Airbnb price prediction using Machine Learning and Deep Learning

ai algorithms bayes bayesian-optimization bayesian-statistics data-science deep-learning deployment econometrics machine-learning python streamlit xai

Last synced: 15 Apr 2025

https://github.com/srohit0/datasciencegraphalgorithms

Selected Graph Algorithms

astar astar-algorithm astar-pathfinding astar-search cpp data-science datascience depth-first-search dfs-algorithm dijkstra-algorithm dijkstra-shortest-path graph graph-algorithms graph-theory kosaraju kruskal-algorithm prim-algorithm strongly-connected-components topological-sort transpose

Last synced: 15 Apr 2025

https://github.com/csfelix/csfelix.github.io

🌱 My Personal Portfolio 🌱

css data-science data-science-competition data-science-portfolio data-science-projects html javascript js portfolio

Last synced: 05 Aug 2025

https://github.com/zenml-io/template-starter

A template for a starter project for ZenML

cookiecutter copier-template data-science machine-learning mlops zenml

Last synced: 14 Apr 2025

https://github.com/inphyt/imdb_sentiment_analysis_bert

BERT Sentiment Classification on the IMDb Large Movie Review Dataset.

bert bert-model data-mining data-mining-algorithms data-mining-python data-science machine-learning machine-learning-algorithms natural-language-processing nlp nlp-machine-learning scikit-learn sentiment-analysis sentiment-classification spacy spacy-models spacy-nlp

Last synced: 30 Apr 2025

https://github.com/aaaastark/top-big-data-scientist-questions-for-interview

https://github.com/seandavi/machinelearningintro

Machine learning use cases for teaching

data-science machine-learning r rstats teaching-materials tutorial

Last synced: 05 Apr 2025

https://github.com/dovolopor-research/data-science-research-toolbox

🧰 数据科学科研工具箱

data-science data-science-research data-science-resourses research-resources research-tool visualization

Last synced: 05 Jan 2026

https://github.com/matteocargnelutti/maguire-lab-seizure-detection-webapp

🧠 Maguire Lab's Deep Learning Seizure Detection WebApp.

data-science eeg-signals-processing neuroscience

Last synced: 21 Apr 2025

https://github.com/bsomps/OpenGeoPlotter

A PyQt5 app catered to the exploration industry for visualizing geologic drill hole data with features like cross-sections, simple 3D views, strip logs, scatter plots, and downhole line plots. Includes data transformation techniques like factor analysis, desurveying, and alpha-beta conversion.

cross-sections data-science drilling exploration geology geoscience pyqt5 python strip-logs

Last synced: 05 Mar 2025

https://github.com/devinterview-io/tensorflow-interview-questions

🟣 Tensorflow interview questions and answers to help you prepare for your next machine learning and data science interview in 2025.

ai-interview-questions coding-interview-questions coding-interviews data-science data-science-interview data-science-interview-questions data-scientist-interview interview-practice interview-preparation machine-learning machine-learning-and-data-science machine-learning-interview machine-learning-interview-questions software-engineer-interview technical-interview-questions tensorflow tensorflow-interview-questions tensorflow-questions tensorflow-tech-interview

Last synced: 04 Jul 2025

https://github.com/networks-learning/discussion-complexity

Code for "On the Complexity of Opinions and Online Discussions", WSDM 2019

complexity data-science discussion online-discussions opinion-mining paper wsdm

Last synced: 10 Aug 2025

https://github.com/fabriziomusacchio/python_neuro_practical

This is the course material for the advanced course into Python for Data Scientists.

data-analysis data-science jupyter jupyter-notebook jupyter-notebooks open-source python teaching teaching-materials

Last synced: 22 Jul 2025

https://github.com/lucadibello/it-salary-analysis

💰 Analysis of Salaries in IT Roles: DevOps, Cyber Security, and AI

ai cybersecurity data-science devops jupyter-notebook salary-analysis

Last synced: 03 Jul 2025

https://github.com/kennethleungty/english-premier-league-var-analysis

Analyzing Video Assistant Referee (VAR) decisions in the English Premier League (2019 - 2021)

data-analysis data-analytics data-science english-premier-league football soccer var

Last synced: 27 Aug 2025

https://github.com/dogukanayd/catch-tweet-with-keyword

Get Tweet by giving keyword and do keyword analysis

data-analysis data-mining data-science datascience keyword-analysis python python27 social-media social-network social-network-analysis tweet tweets twitter twitter-analysis twitter-api twitter-oauth twitter-sentiment-analysis twitterwordcloud wordcloud

Last synced: 30 Aug 2025

https://github.com/hassaku/audio-plot

Python library to converts a line graph to sound and return an object that can be played in Jupyter notebook or Google Colab. Values are represented by pitches, and the timeline is represented by left and right pans. It was created to make data science fun for the visually impaired.

audio-plot colab data-science jupyter-notebook python visually-impaired

Last synced: 01 Nov 2025

https://github.com/rbhatia46/python-for-data-science

This repository contains iPython notebooks to get you started with sufficient amount of Python you need to learn to get started with your Data Science Journey.

data-science python-basics python3

Last synced: 03 Sep 2025

https://github.com/chandraprakash-bathula/apparel-recommendations

This project implements a personalized apparel recommendation engine using content-based search with the Amazon API, NLTK, and Keras libraries.

boxplot cnn-keras data-analysis data-science deep-learning linear-regression machine-learning numpy pandas scatter-plot scikit-learn svm tensorflow xgboost

Last synced: 23 Mar 2025

https://github.com/anaclumos/heart-diagnosis-engine

2019년 민족사관고등학교 졸업 프로젝트

data-science machine-learning pandas python scikit-learn

Last synced: 22 Aug 2025

https://github.com/arv-anshul/yt-watch-history

Analyse your YouTube watch history using Data Science, ML and NLP.

data-science docker docker-compose fastapi ml mlflow mlops mongodb nlp pydantic python3 streamlit youtube-api

Last synced: 22 Apr 2025

https://github.com/numeract/rflow

Flexible R Pipelines with Caching

cache data-science pipeline r rflow

Last synced: 28 May 2026

https://github.com/mertguvencli/keyword-extractor

This project aims to find "what are the trending techs on Data Science jobs?" using NER.

data-science machine-learning ner nlp python spacy

Last synced: 10 Sep 2025

https://github.com/lambdaclass/data_etudes

LambdaClass statistics, machine learning and data science etudes

data-science notebook probability statistics

Last synced: 09 Apr 2025

https://github.com/raynardj/langhuan

Light weight labeling engine

classification data-science labeling labeling-tool machine-learning named-entity-recognition ner nlp tagging-tool

Last synced: 16 Oct 2025

https://github.com/adivarma27/pyab

Python package for Bayesian & Frequentist A/B Testing

ab-testing bayesian-statistics data-science frequentist-statistics hypothesis-testing marketing statistical-methods statistical-tests

Last synced: 14 Jan 2026

https://github.com/mmore500/teeplot

organize data visualization output, automatically picking meaningful names based on semantic plotting variables

data-science data-visualization python python-package workflow

Last synced: 25 Feb 2026

https://github.com/anshumansinha3301/occupational-hazard-analysis

The Occupational Hazard Analysis Using Industry Data project aims to analyze safety metrics across various industries to identify trends in reported incidents, injuries, and fatalities.

consulting-services data-science industrialisation jupyter-notebook python

Last synced: 09 Oct 2025

https://github.com/devinterview-io/svm-interview-questions

🟣 SVM interview questions and answers to help you prepare for your next machine learning and data science interview in 2025.

ai-interview-questions coding-interview-questions coding-interviews data-science data-science-interview data-science-interview-questions data-scientist-interview interview-practice interview-preparation machine-learning machine-learning-and-data-science machine-learning-interview machine-learning-interview-questions software-engineer-interview svm svm-interview-questions svm-questions svm-tech-interview technical-interview-questions

Last synced: 28 Jan 2026

https://github.com/joaocarabetta/project-templates

Fast Project Templates

data-science python template

Last synced: 19 Sep 2025

https://github.com/cimentadaj/dataharvesting

Material for the course 'Data Harvesting' for the masters in computational social science - UC3M

api data-science r web-scraping

Last synced: 30 Apr 2025

https://github.com/bcgov/canwqdata

R 📦 to download 🇨🇦 open water quality data

data-science env r r-package rlang rstats

Last synced: 20 Jul 2025

https://github.com/ptyadana/tableau_2020_a-z_hands-on

Tableau Projects for data analysis, data analytics and data visualaization on different data sets

data-analysis data-science data-visualization tableau tableau-dashboards tableau-desktop tableau-public tableau-workbooks

Last synced: 03 Aug 2025

https://github.com/VaibhavAbhimanyooHiwase/Risk_Calculation_using_Backward_Elimination_Algorithm_in_Life_Insurance

Implementation of backward elimination algorithm used for dimensionality reduction for improving the performance of risk calculation in life insurance industry.

alpha-value backward-elimination data-mining-algorithms data-science insurance kaggle-life-insurance life-insurance multiple-linear-regression p-value random-forest risk-analysis risk-assessment risk-calculations risk-modelling risk-models statistical-analysis statistical-data statistical-learning statistical-models statistics